Aecom ACM Institutional Ownership

NYSE ACM

$60.48 -0.37 (-0.61%)

At close: Oct 23, 2026 · 4:00 PM EDT

Institutions by Trading Activity

572 Institutions

Increased 270 47.2%

Unchanged 70 12.2%

Reduced 232 40.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

92.56%

▲+4.87 pp QoQ

Shares Held by Institutions

119.12Mn

of 128.70Mn outstanding

▲+5.53% QoQ

Shares Outstanding

128.70Mn

9.58Mn held outside 13F filers

Institutional Investors

572

filed 13F for Jun 2026

▼-46 vs prior quarter

Net Shares Added (QoQ)

+6.24Mn

accumulated since last quarter

Value of Holdings

$7.20Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 21, 2026

Aecom (NYSE:ACM) appeared in the 13F filings of 572 institutional investors for the quarter ended June 30, 2026.

Their combined stake equaled 92.56% of outstanding shares in Q2 2026, up from 87.69% in Q1 2026.
Total shares held in ACM rose 5.53% from Q1 2026; the number of holders fell 9.06% from Q2 2025.
Of these 572 holders, 270 added to their positions, 232 reduced their stakes and 70 left their positions unchanged.
In total, institutional investors held 119.12Mn shares of Aecom at the end of Q2 2026, up 6.24Mn from the prior quarter and up 2.51Mn from a year earlier.
BlackRock, Inc. led 13F holders of ACM with 14.38Mn shares as of June 30, 2026, or 11.17% of shares outstanding.
Holders that added the most shares of Aecom in Q2 2026 were Barrow Hanley Mewhinney & Strauss LLC (+2.64Mn shares), Arrowstreet Capital, Limited Partnership (+1.86Mn shares), Qube Research & Technologies Ltd (+1.68Mn shares), FMR LLC (+1.65Mn shares) and CIBC Bancorp USA Inc. (+916.99K shares).
The biggest cuts to ACM positions during Q2 2026 came from Pictet Asset Management Holding SA (-1.98Mn shares), BlackRock, Inc. (-1.38Mn shares), State Street Corp (-935.36K shares), Northern Trust Corp (-838.83K shares) and Lazard Asset Management LLC (-633.45K shares).
Per Business Quant, the top 10 investors in ACM for the quarter ended June 30, 2026 were BlackRock, Inc. (14.38Mn shares), Primecap Management Co (8.79Mn shares), Vanguard Capital Management LLC (5.81Mn shares), Barrow Hanley Mewhinney & Strauss LLC (5.5Mn shares), Vanguard Portfolio Management LLC (5.49Mn shares), State Street Corp (4.11Mn shares), FMR LLC (3.76Mn shares), UBS Asset Management Americas (3.57Mn shares), Invesco Ltd. (3.19Mn shares) and First Trust Advisors LP (2.45Mn shares).

Form 13F Holdings

574 Institutional Holders

Report period 30 Jun, 2026

Total shares held 119.12Mn

Of outstanding 92.56%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	14,379,638	11.17%	▼1,380,726	-8.76%	$1.00Bn
2	PRIMECAP MANAGEMENT CO/CA/	0000763212	8,787,043	6.83%	▲139,970	+1.62%	$613.34Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	5,808,042	4.51%	▲7,676	+0.13%	$405.40Mn
4	BARROW HANLEY MEWHINNEY & STRAUSS LLC	0000313028	5,497,153	4.27%	▲2,644,431	+92.70%	$383.70Mn
5	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	5,486,637	4.26%	▼19,642	-0.36%	$382.97Mn
6	State Street Corp	0000093751	4,106,098	3.19%	▼935,362	-18.55%	$286.61Mn
7	FMR LLC	0000315066	3,758,192	2.92%	▲1,650,112	+78.28%	$262.32Mn
8	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0000861177	3,565,323	2.77%	▲83,360	+2.39%	$248.86Mn
9	Invesco Ltd.	0000914208	3,191,873	2.48%	▼383,478	-10.73%	$222.79Mn
10	FIRST TRUST ADVISORS LP	0001125816	2,446,092	1.90%	▼580,354	-19.18%	$170.74Mn
11	GEODE CAPITAL MANAGEMENT, LLC	0001214717	2,445,738	1.90%	▼23,711	-0.96%	$170.75Mn
12	Impax Asset Management Group plc	0001749768	2,128,339	1.65%	▲745,672	+53.93%	$148.56Mn
13	Qube Research & Technologies Ltd	0001729829	2,119,499	1.65%	▲1,677,626	+379.66%	$147.94Mn
14	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	2,096,935	1.63%	▲1,858,355	+778.92%	$146.37Mn
15	NORGES BANK	0001374170	1,853,035	1.44%	▲1,853,035	0.00%	$129.34Mn
16	AQR CAPITAL MANAGEMENT LLC	0001167557	1,795,383	1.40%	▲734,156	+69.18%	$124.01Mn
17	D. E. Shaw & Co., Inc.	0001009207	1,711,157	1.33%	▲648,929	+61.09%	$119.44Mn
18	UBS Group AG	0001610520	1,695,404	1.32%	▲269,798	+18.93%	$118.34Mn
19	DIMENSIONAL FUND ADVISORS LP	0000354204	1,640,760	1.27%	▲253,225	+18.25%	$114.53Mn
20	Morgan Stanley	0000895421	1,638,429	1.27%	▼41,040	-2.44%	$114.36Mn

Showing 1 to 20 of 574 holders